Home / 109,853.92-164,868.36-43,310.80

Finding the Fourth Proportional to 109,853.92, 164,868.36 and 43,310.80

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Solution

The fourth proportional to 109,853.92, 164,868.36 and 43,310.80 is: 65,000.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,853.92 : 164,868.36 = 43,310.80 : x
  2. Step 2: Convert to fraction form
    109,853.92/164,868.36 = 43,310.80/x
  3. Step 3: Cross multiply
    109,853.92x = 164,868.36 × 43,310.80
  4. Step 4: Simplify right side
    109,853.92x = 7,140,580,566.29
  5. Step 5: Solve for x
    x = 7,140,580,566.29/109,853.92
  6. Step 6: Final answer
    x = 65,000.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.